434676618 has 40 divisors (see below), whose sum is σ = 979890912. Its totient is φ = 144015624.

The previous prime is 434676617. The next prime is 434676643. The reversal of 434676618 is 816676434.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (434676617) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19021 + ... + 35087.

Almost surely, 2^434676618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434676618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489945456).

434676618 is an abundant number, since it is smaller than the sum of its proper divisors (545214294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434676618 is a wasteful number, since it uses less digits than its factorization.

434676618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16248 (or 16239 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 434676618 is about 20848.8996831967. The cubic root of 434676618 is about 757.5106791946.

The spelling of 434676618 in words is "four hundred thirty-four million, six hundred seventy-six thousand, six hundred eighteen".